First go to the bin bin bin form, enter the following command
keytool.exe -v -list -keystore "C:\Users\NewPC\.android\debug.keystore" -storepass android -keypass android
you will get a detailed output of all keys, including fingerprint sha1, and then follow the steps on google api website.
sha1 looks like this
B9:BC:1A:87:5A:9E:29:8A:DE:BD:41:19:63:A1:FD:60:04:EA:83:4A
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